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/**
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* Hachette main content script run in all frames
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*
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* Copyright (C) 2021 Wojtek Kosior
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* Copyright (C) 2021 jahoti
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* Redistribution terms are gathered in the `copyright' file.
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*/
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/*
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* IMPORTS_START
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* IMPORT handle_page_actions
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* IMPORT extract_signed
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* IMPORT gen_nonce
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* IMPORT is_privileged_url
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* IMPORT mozilla_suppress_scripts
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* IMPORT is_chrome
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* IMPORT is_mozilla
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* IMPORT start_activity_info_server
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* IMPORT modify_on_the_fly
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* IMPORTS_END
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*/
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function accept_node(node, parent)
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{
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const clone = document.importNode(node, false);
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node.hachette_corresponding = clone;
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/*
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* TODO: Stop page's own issues like "Error parsing a meta element's
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* content:" from appearing as extension's errors.
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*/
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parent.hachette_corresponding.appendChild(clone);
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}
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if (!is_privileged_url(document.URL)) {
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const reductor =
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(ac, [_, sig, pol]) => ac[0] && ac || [extract_signed(sig, pol), sig];
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const matches = [...document.cookie.matchAll(/hachette-(\w*)=([^;]*)/g)];
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let [policy, signature] = matches.reduce(reductor, []);
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if (!policy || policy.url !== document.URL) {
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console.log("WARNING! Using default policy!!!");
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policy = {allow: false, nonce: gen_nonce()};
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}
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if (signature)
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document.cookie = `hachette-${signature}=; Max-Age=-1;`;
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handle_page_actions(policy.nonce);
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if (!policy.allow && is_mozilla)
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addEventListener('beforescriptexecute', mozilla_suppress_scripts, true);
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if (!policy.allow && is_chrome) {
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const old_html = document.documentElement;
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const new_html = document.createElement("html");
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old_html.replaceWith(new_html);
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old_html.hachette_corresponding = new_html;
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const modify_end =
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modify_on_the_fly(old_html, policy, {node_eater: accept_node});
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document.addEventListener("DOMContentLoaded", modify_end);
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}
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start_activity_info_server();
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}
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